Math on these questions! #geometry
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Mathematics, 21.06.2019 20:00, Chen5968
The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
Answers: 2
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Mathematics, 21.06.2019 20:30, jnelso5437
How do you determine if an ordered pair is a solution to a given equation?
Answers: 1
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